:root{--bg-color:#fafafa;--card-bg:#fff;--text-main:#333;--text-muted:#666;--accent-yellow:#fbbc05;--accent-blue:#4285f4;--border-color:#e0e0e0;--radius:12px;--shadow:0 4px 12px #0000000d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Noto Sans JP,sans-serif;font-weight:400;line-height:1.6}body{background-color:var(--bg-color);min-width:320px;min-height:100vh;color:var(--text-main);place-items:center;margin:0;display:flex;overflow-x:hidden}#root{text-align:center;width:100%;max-width:1000px;margin:0 auto;padding:2rem}.app-container{flex-direction:column;justify-content:center;align-items:center;gap:2rem;animation:.8s ease-out forwards fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hero-title{color:var(--text-main);margin-bottom:.5rem;font-size:2rem;font-weight:700}.hero-subtitle{color:var(--text-muted);max-width:600px;margin:0 auto 2rem;font-size:1rem}.btn-primary{background:var(--accent-blue);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:all .2s;display:inline-flex}.btn-primary:hover{background:#3367d6;transform:translateY(-2px);box-shadow:0 6px 16px #4285f44d}.btn-warning{background:var(--accent-yellow);color:#333;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:all .2s}.btn-warning:hover{background:#f9ab00;transform:translateY(-2px);box-shadow:0 6px 16px #fbbc054d}.panel{background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--border-color);box-shadow:var(--shadow);width:100%;max-width:500px;padding:2rem}.panel h2{margin-top:0;margin-bottom:1rem;font-size:1.3rem;font-weight:700}